IMPROVED POLYPEPTIDES CAPABLE OF CONVERTING SUBSTRATE 3-KETO- DEOXYNIVALENOL INTO 3-EPI-DEOXYNIVALENOL

    公开(公告)号:US20230235297A1

    公开(公告)日:2023-07-27

    申请号:US18008939

    申请日:2021-06-08

    CPC classification number: C12N9/0008 A23K20/189 A23L29/06 C12Y197/00

    Abstract: The present invention relates to a method of converting 3-keto-DON into 3-epi-DON, reducing the content of DON in a composition comprising DON or of reducing the toxicity of a composition comprising DON as well as a method for converting a trichothecene comprising a 3-oxo group into a trichothecene comprising a 3-hydroxy group using one or more polypeptide(s) comprising or consisting of SEQ ID NO. 1 or a sequence having a sequence identity of at least 72.0% to SEQ ID NO. 1. Also envisioned are feed or food additives or feed or food as well as pharmaceutical compositions comprising one or more polypeptide(s) comprising or consisting of a sequence of SEQ ID NO. 1 or a sequence having a sequence identity of at least 72.0% to SEQ ID NO. 1 as well as the manufacture thereof. Encompassed are further polypeptide(s) comprising or consisting of a sequence of SEQ ID NO. 1 or a sequence having a sequence identity of at least 88.5% to SEQ ID NO. 1. Also envisioned are host cells or plants.

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